Home / 3,916,955,845.67-5,405,376,043.26-2,132,805,026.78

Finding the Fourth Proportional to 3,916,955,845.67, 5,405,376,043.26 and 2,132,805,026.78

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Solution

The fourth proportional to 3,916,955,845.67, 5,405,376,043.26 and 2,132,805,026.78 is: 2,943,258,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916,955,845.67 : 5,405,376,043.26 = 2,132,805,026.78 : x
  2. Step 2: Convert to fraction form
    3,916,955,845.67/5,405,376,043.26 = 2,132,805,026.78/x
  3. Step 3: Cross multiply
    3,916,955,845.67x = 5,405,376,043.26 × 2,132,805,026.78
  4. Step 4: Simplify right side
    3,916,955,845.67x = 11,528,613,196,716,132,352
  5. Step 5: Solve for x
    x = 11,528,613,196,716,132,352/3,916,955,845.67
  6. Step 6: Final answer
    x = 2,943,258,400.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.